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CSMLS MLA Certification Exam: Practice Test 1

Number of questions: 180

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About the CSMLS MLA exam

The CSMLS MLA Certification Exam is an examination for laboratory assistants in Canada. The exam is set by the CSMLS (Canadian Society for Medical Laboratory Science).

About these practice questions

These practice questions will help prepare you for the CSMLS MLA exam.

This page contains 180 practice questions divided into the eight sections of the exam: 1. Safe Work Practices, 2. Data and Specimen Collection and Handling, 3. Pre-analytical Procedures, 4. Reagent Preparation, 5. Communication and Interaction, 6. Quality Management, 7. Professional Practice, and 8. Critical Thinking.

All questions have been carefully designed to mimic the questions on the real exam, to help you prepare and get a passing grade.

Check out all the practice tests in this series: Practice Test 1, Practice Test 2, Practice Test 3, Practice Test 4, and Practice Test 5.

Sections

  1. Safe Work Practices
  2. Data and Specimen Collection and Handling
  3. Pre-analytical Procedures
  4. Reagent Preparation
  5. Communication and Interaction
  6. Quality Management
  7. Professional Practice
  8. Critical Thinking

Section 1: Safe Work Practices

1.1) Shortly after a blood transfusion is started, the patient experiences erythema and hives. What type of transfusion reaction is the patient experiencing?
  1. Acute hemolytic
  2. Delayed hemolytic
  3. Febrile nonhemolytic
  4. Urticarial
Answers are locked. Please click here to buy them. 1.2) A B− patient requires a transfusion of red cells, but no B− red cells are available. Which red cells are the best alternative?
  1. AB−
  2. B+
  3. O+
  4. O−
Answers are locked. Please click here to buy them. 1.3) A patient’s red blood cells show the following reactions:
Test Result
Anti-A Agglutination
Anti-B No agglutination
What antigens are present, and what is the ABO blood group?
  1. Type A antigens and type A blood
  2. Type A antigens and type B blood
  3. Type B antigens and type A blood
  4. Type B antigens and type B blood
Answers are locked. Please click here to buy them. 1.4) What are class 7 hazardous materials?
  1. Corrosive
  2. Flammable or combustible
  3. Poisonous or infectious
  4. Radioactive
Answers are locked. Please click here to buy them. 1.5) Which class of dangerous goods includes infectious substances?
  1. 2
  2. 3
  3. 5
  4. 6
Answers are locked. Please click here to buy them. 1.6) What is the correct action to take if an unknown chemical has no label?
  1. Apply a new label
  2. Pour it down the drain
  3. Treat it as hazardous and report it
  4. Try to identify the chemical by smell
Answers are locked. Please click here to buy them. 1.7) Which chemical is best for neutralizing weak acid spills?
  1. Acetic acid
  2. Boric acid
  3. Sodium bicarbonate
  4. Sodium hydroxide
Answers are locked. Please click here to buy them. 1.8) Which concentration of bleach is used to decontaminate benchtops?
  1. 10%
  2. 20%
  3. 30%
  4. 50%
Answers are locked. Please click here to buy them. 1.9) What is the first step when a biological spill occurs outside a biosafety cabinet?
  1. Alert people nearby
  2. Cover the spill with paper towels
  3. Fill in an incident report form
  4. Put on PPE
Answers are locked. Please click here to buy them. 1.10) Where are sterilization indicators placed in an autoclave?
  1. Close to the air exhaust valve
  2. In the centre of each article
  3. On the bottom shelf of the autoclave
  4. On the outside of each pack
Answers are locked. Please click here to buy them. 1.11) What is the greatest risk when opening an autoclave immediately after a cycle finishes?
  1. Burns from hot steam
  2. Electrical shock
  3. Exposure to carbon monoxide
  4. Radiation exposure
Answers are locked. Please click here to buy them. 1.12) When incinerating medical waste:
  1. disinfect all articles beforehand
  2. ensure complete burning takes place
  3. ensure the temperature reaches at least 12,000°C
  4. sanitize all articles beforehand
Answers are locked. Please click here to buy them. 1.13) Where should used needles be discarded?
  1. Biohazard sharps container
  2. Glass disposal bucket
  3. Glass recycling bin
  4. Regular garbage
Answers are locked. Please click here to buy them. 1.14) What are Class B fire extinguishers for?
  1. Electrical equipment
  2. Flammable liquids
  3. Ordinary combustibles
  4. Reactive metals
Answers are locked. Please click here to buy them. 1.15) Why is mercury hazardous?
  1. It forms an explosive precipitate on standing
  2. It forms toxic vapours
  3. It is flammable
  4. It reacts violently with water
Answers are locked. Please click here to buy them. 1.16) When handling strong acids in a laboratory:
  1. add water to acid when diluting
  2. wear eye protection
  3. wear latex gloves
  4. wear open-toed shoes
Answers are locked. Please click here to buy them. 1.17) When mixing acid and water:
  1. add the acid quickly to the water
  2. add the acid slowly to the water
  3. add the water quickly to the acid
  4. add the water slowly to the acid
Answers are locked. Please click here to buy them. 1.18) Where should you handle chemicals that produce harmful vapours?
  1. Autoclave
  2. Biological safety cabinet
  3. Fume hood
  4. Sealed room
Answers are locked. Please click here to buy them. 1.19) What does this pictogram mean?
  1. Biohazard
  2. Carcinogenic
  3. Corrosive
  4. Toxic
Answers are locked. Please click here to buy them.

Section 2: Data and Specimen Collection and Handling

Section 3: Pre-analytical Procedures

Section 4: Reagent Preparation

Section 5: Communication and Interaction

Section 6: Quality Management

Section 7: Professional Practice

Section 8: Critical Thinking

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